Pneumatic tire

Details Pneumatic tire Pneumatic tire

1985-04-24

1987-04-14

Czala, Donald

Resilient tires and wheels

Tires, resilient

Pneumatic tire or inner tube

152560, 152564, B60C 908

Patent

active

046570586

ABSTRACT:
A pneumatic tire of which the durability of the turnup portions of a carcass layer is greatly improved. The tire consists of left and right bead portions, left and right side wall portions continuing from the bead portions, a tread positioned between the side wall portions, a carcass layer provided between the left and right bead portions so that a cord angle with respect to the circumferential direction the tire is 70.degree.-90.degree., and a belt reinforcement layer provided between the tread and carcass layer, characterized in that the carcass layer is formed by burying 20-60 aromatic polyamide fiber cords of 0.55-0.65 mm in diameter per 5 cm of the carcass layer in an equatorial plane in the tire in rubber coats of which a 100% modulus is 30-70 kg/cm.sup.2.

REFERENCES:
patent: 3638706 (1972-02-01), Wilson et al.
patent: 3851692 (1974-12-01), Takemura et al.
patent: 3977172 (1976-08-01), Kerawalla
patent: 4155394 (1979-05-01), Shepherd et al.
patent: 4177852 (1979-12-01), Merli et al.
patent: 4286645 (1981-09-01), Boileau
patent: 4328324 (1982-05-01), Kock et al.
patent: 4389839 (1983-06-01), Van der Werff

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